<template>
  <el-container>
    <el-main style="background-color: #cceeff;height: 100%;width: 100%">
      <el-container style="height: 100%">
        <el-header>
          <el-row>
            <el-col :span="2">
              <el-button type="primary" @click="add" size="large">新增</el-button>
            </el-col>
            <el-col :span="5">
              <el-input v-model="search" placeholder="请输入关键字" clearable size="large">
                <template #append>
                  <el-button type="primary" @click="load">查询&nbsp;
                    <el-icon>
                      <Search/>
                    </el-icon>
                  </el-button>
                </template>
              </el-input>
            </el-col>
          </el-row>
        </el-header>
        <el-main style="background-color: rgba(255,255,255,0.7);">
          <el-table
              v-loading="loading"
              :data="tableData"
              border
              stripe
              style="width: 100%">
            <el-table-column
                prop="id"
                label="ID"
                sortable
            >
            </el-table-column>
            <el-table-column
                prop="title"
                label="标题">
            </el-table-column>
            <el-table-column
                prop="author"
                label="作者">
            </el-table-column>
            <el-table-column
                prop="time"
                label="时间">
            </el-table-column>
            <el-table-column label="操作">
              <template #default="scope">
                <el-button size="mini" @click="details(scope.row)">详情</el-button>
                <el-button size="mini" @click="handleEdit(scope.row)">编辑</el-button>
                <el-popconfirm title="确定删除吗？" @confirm="handleDelete(scope.row.id)">
                  <template #reference>
                    <el-button size="mini" type="danger">删除</el-button>
                  </template>
                </el-popconfirm>
              </template>
            </el-table-column>
          </el-table>
        </el-main>
        <el-footer style="background-color: rgba(255,255,255,0.7);height: 45px">
          <el-pagination
              @size-change="handleSizeChange"
              @current-change="handleCurrentChange"
              :current-page="currentPage"
              :page-sizes="[5, 10, 20]"
              :page-size="pageSize"
              layout="total, sizes, prev, pager, next, jumper"
              :total="total">
          </el-pagination>
        </el-footer>
      </el-container>
    </el-main>
    <el-dialog title="提示" v-model="dialogVisible" width="50%">
      <el-form :model="form" label-width="120px">
        <el-form-item label="标题">
          <el-input v-model="form.title" style="width: 50%"></el-input>
        </el-form-item>

        <div id="div1"></div>
        <!--        <el-form-item label="内容">-->
        <!--          <el-input v-model="form.price" style="width: 80%"></el-input>-->
        <!--        </el-form-item>-->
      </el-form>
      <template #footer>
          <span class="dialog-footer">
            <el-button @click="dialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="save">确 定</el-button>
          </span>
      </template>
    </el-dialog>

    <el-dialog title="详情" v-model="vis" width="50%">
      <el-card>
        <div v-html="detail.content" style="min-height: 100px"></div>
      </el-card>
    </el-dialog>
  </el-container>
</template>

<script>

import E from 'wangeditor'
import request from "@/utils/request";
import {Search} from "@element-plus/icons-vue";

let editor;

export default {
  name: 'News',
  components: {Search},
  data() {
    return {
      loading: true,
      form: {},
      dialogVisible: false,
      search: '',
      currentPage: 1,
      pageSize: 10,
      total: 0,
      tableData: [],
      vis: false,
      detail: {},
    }
  },
  created() {
    this.load()
  },
  methods: {
    details(row) {
      this.detail = row
      this.vis = true
    },
    filesUploadSuccess(res) {
      console.log(res)
      this.form.cover = res.data
    },
    load() {
      this.loading = true
      request.get("/news", {
        params: {
          pageNum: this.currentPage,
          pageSize: this.pageSize,
          search: this.search
        }
      }).then(res => {
        this.loading = false
        this.tableData = res.data.records
        this.total = res.data.total
      })
    },
    add() {
      this.dialogVisible = true
      this.form = {}

      this.$nextTick(() => {
        // 关联弹窗里面的div，new一个 editor对象
        if (!editor) {
          editor = new E('#div1')

          // 配置 server 接口地址
          //editor.config.uploadImgServer = 'http://' + window.server.filesUploadUrl + ':9090/files/editor/upload'
          editor.config.uploadImgServer = 'http://localhost:9090/files/editor/upload'
          editor.config.uploadFileName = "file"  // 设置上传参数名称
          editor.create()
        }

        editor.txt.html("")

      })

    },
    save() {
      this.form.content = editor.txt.html()  // 获取 编辑器里面的值，然后赋予到实体当中

      if (this.form.id) {  // 更新
        request.put("/news", this.form).then(res => {
          console.log(res)
          if (res.code === '0') {
            this.$message({
              type: "success",
              message: "更新成功"
            })
          } else {
            this.$message({
              type: "error",
              message: res.msg
            })
          }
          this.load() // 刷新表格的数据
          this.dialogVisible = false  // 关闭弹窗
        })
      } else {  // 新增
        let userStr = sessionStorage.getItem("user") || "{}"
        let user = JSON.parse(userStr)
        this.form.author = user.nickName

        request.post("/news", this.form).then(res => {
          console.log(res)
          if (res.code === '0') {
            this.$message({
              type: "success",
              message: "新增成功"
            })
          } else {
            this.$message({
              type: "error",
              message: res.msg
            })
          }

          this.load() // 刷新表格的数据
          this.dialogVisible = false  // 关闭弹窗
        })
      }

    },
    handleEdit(row) {
      this.form = JSON.parse(JSON.stringify(row))
      this.dialogVisible = true

      this.$nextTick(() => {
        // 关联弹窗里面的div，new一个 editor对象
        // 关联弹窗里面的div，new一个 editor对象
        if (!editor) {
          editor = new E('#div1')

          // 配置 server 接口地址
          editor.config.uploadImgServer = 'http://localhost:9090/files/editor/upload'
          editor.config.uploadFileName = "file"  // 设置上传参数名称
          editor.create()
        }

        editor.txt.html(row.content)
      })
    },
    handleDelete(id) {
      console.log(id)
      request.delete("/news/" + id).then(res => {
        if (res.code === '0') {
          this.$message({
            type: "success",
            message: "删除成功"
          })
        } else {
          this.$message({
            type: "error",
            message: res.msg
          })
        }
        this.load()  // 删除之后重新加载表格的数据
      })
    },
    handleSizeChange(pageSize) {   // 改变当前每页的个数触发
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum) {  // 改变当前页码触发
      this.currentPage = pageNum
      this.load()
    }
  }
}
</script>
